Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2021 Royal Alloy Gt 125i Petrol 125cc has had 2 MOT tests on record, passing every one. It has 1,570 miles on the clock, averaging 38 miles per year, well below the UK average of 7,400.
MOT & Mileage History for ST21 JZA
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
Low mileage| Latest reading | 1,570 miles |
| Reading date | |
| Miles last year | 39 |
| Average per year | 38 |
| Mileage consistency | Consistent |
Check ST21 JZA
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
- Ownership changes Experian
- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 2 tests on record
Explore more about the Royal Alloy Gt 125i
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Vehicle Details
| Registration | ST21 JZA |
| Make | Royal Alloy |
| Model | Gt 125i |
| Colour | Blue |
| Fuel type | Petrol |
| Engine | 125cc |
| Year | 2021 |
| First registered | |
| Area code | ST — Dundee, Scotland |
| Age identifier | 21 — March 2021 to August 2021 |
More ST21 J plates
Browse all ST21 J registrations from Dundee.
About ST21 JZA
What car is ST21 JZA?
ST21 JZA is an blue Royal Alloy Gt 125i, petrol (125cc). First registered in Dundee in 2021.
What is the mileage of ST21 JZA?
The last recorded mileage for ST21 JZA was 1,570 miles, recorded on 30 Apr 2025 during its most recent MOT test.
Has ST21 JZA passed its MOT?
ST21 JZA has had 2 MOT tests with an 100% pass rate (2 passes, 0 failures). It last passed on 30 Apr 2025.
Is ST21 JZA ULEZ compliant?
Based on its fuel type and registration year, ST21 JZA is likely ULEZ compliant. Petrol post-2005 (Euro 4). This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is ST21 JZA?
ST21 JZA is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.